Fix misuse of OmxCodec
Fix misuse of OmxCodec

In the last refactoring, OmxCodec was used incorrectly as NULL parameter
was passed in. Using the correct parameter now.

TEST=player_x11 --enable-openmax should work
TBR=scherkus

Review URL: http://codereview.chromium.org/651068

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@39505 0039d316-1c4b-4281-b951-d872f2087c98

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